<template>
	<view class="my-settle-container">
		<!-- 全选 -->
		<label class="radio" @click="changeAllState">
			<radio value="" color="#C00000" :checked="isFullCheck"/><text>全选</text>
		</label>
		<!-- 合计 -->
		<view class="amount-box">
			合计：<text class="amount">￥{{checkedGoodsAmount}}</text>
		</view>
		<!-- 结算按钮 -->
		<view class="btn-settle" @click="settlement">
			结算({{checkCount}})
		</view>
	</view>
</template>

<script>
	import {mapGetters,mapMutations,mapState} from 'vuex'
	export default {
		name:"my-settle",
		data() {
			return {
				//倒计时的秒数
				seconds:3,
				timer:null
			};
		},
		computed:{
			...mapGetters('m_cart',['checkCount','total','checkedGoodsAmount']),
			...mapGetters('m_user',['addstr']),
			...mapState('m_user',['token']),
			...mapState('m_cart',['cart']),
			isFullCheck(){
				return this.total === this.checkCount
			}
		},
		methods:{
			...mapMutations('m_cart',['updateAllGoodsState']),
			...mapMutations('m_user',['updateRedirectInfo']),
			
			//全选按钮
			changeAllState(){
				this.updateAllGoodsState(!this.isFullCheck)
			},
			//结算按钮
			settlement(){
				//1、先判断是否勾选了要结算的商品
				if(!this.checkCount) return uni.$showMsg('请选择要结算的商品!')
				//2、再判断是否选择了收货地址
				if(!this.addstr) return uni.$showMsg('请选择收货地址!')
				//判断是否登录了
				// if(!this.token) return uni.$showMsg('请先登录!')
				if(!this.token) return this.delayNavigate()
				
				//微信支付功能
				this.payOrder()
			},
			//展示倒计时的提示消息
			showTips(n){
				uni.showToast({
					icon:'none',
					title:'请登录后再结算！' + n + '秒后自动跳转到登录页',
					mask:true,
					duration:1500
				})
			},
			//倒计时跳转到登录页
			delayNavigate(){
				this.seconds = 3
				this.showTips(this.seconds)
				this.timer = setInterval(()=>{
					this.seconds--
					if(this.seconds <= 0){
						clearInterval(this.timer)
						uni.switchTab({
							url:'/pages/my/my',
							success: () => {
								this.updateRedirectInfo({
									openType:'switchTab',
									from:'/pages/cart/cart'
								})
							}
						})
						return
					}
					this.showTips(this.seconds)
				},1000)
			},
			//微信支付功能
			async payOrder(){
				//1、创建订单
				//1.1、创建订单的信息对象
				const orderInfo = {
					order_price:0.01,
					consignee_addr:this.addstr,
					goods:this.cart.filter(x => x.goods_state).map(x => ({
						goods_id:x.goods_id,
						goods_number:x.goods_count,
						goods_price:x.goods_price
					}))
				}
				//1.2发起请求创建订单
				const {data:res} = await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
				if(res.meta.status !== 200) return uni.$showMsg('创建订单失败')
				
				//1.3 得到服务器响应的订单编号
				const orderNumber = res.message.order_number
				
				//2、订单预支付
				//2.1发起请求获取订单的支付信息
				const {data:res2} = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number:orderNumber})
				//2.2 预支付订单生成失败
				if(res2.meta.status !== 200) return uni.$showMsg('预付订单生成失败')
				//2.3 得到订单支付相关的必要参数
				const payInfo = res2.message.pay
				console.log(payInfo)
			}
		}
	}
</script>

<style lang="scss">
.my-settle-container {
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 50px;
	background-color: white;
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 14px;
	padding-left: 5px;
	.radio {
		display: flex;
		align-items: center;
	}
	.amount-box {
		.amount {
			color: #C00000;
			font-weight: bold;
		}
	}
	.btn-settle {
		background-color: #C00000;
		height: 50px;
		color: white;
		line-height: 50px;
		padding: 0 10px;
		min-width: 100px;
		text-align: center;
	}
}
</style>